The vapor pressure of pure propyl chloride is 347 torr at, Ask an Expert

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A solution is made by mixing 52.1 g of propyl chloride, C3H7Cl, and 38.4 g of propyl bromide, C3H7Br. What is the lowering of the vapor pressure of propyl chloride at 25°C in this solution? The vapor pressure of pure propyl chloride is 347 torr at 25°C and that of pure propyl bromide is 133 torr at 25°C. Assume that the solution is an ideal solution.

192 torr

200 torr

111 torr

219 torr

171 torr

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